| Place | Post Code |
|---|---|
| Rajaura, Magadh) | 824125 |
| Rampur Parasiya, Magadh) | 824122 |
| Ratan Khap, Magadh) | 824122 |
| Regania, Magadh) | 824103 |
| Rukunchak, Magadh) | 824125 |
| Sabdal, Magadh) | 824122 |
| Sahukarma, Magadh) | 824125 |
| Sailopur, Magadh) | 824103 |
| Saiyara, Magadh) | 824122 |
| Salempur, Magadh) | 824125, 824122 |
| Santhua, Magadh) | 824125 |
| Sarawak, Magadh) | 824125 |
| Sardha Bigaha, Magadh) | 824125 |
| Semra Jamsaid, Magadh) | 824122 |
| Shahmohamadpur, Magadh) | 824125 |
| Shahpur, Magadh) | 824122 |
| Sidha, Magadh) | 824125 |
| Sihuli, Magadh) | 824125 |
| Sihuli Khaira, Magadh) | 824125 |
| Simla, Magadh) | 824125 |